The prestigious ABN-AMRO Rotterdam Open is an ATP500 event that attracts top tennis stars every year. While this week is also studded with two other ATP250 events at Memphis and Sao Paulo, Rotterdam is the cake-stealer, where tennis fans are watching world no.2 Andy Murray, no.6 Milos Raonic, no.7 Tomas Berdych, no.8 Stan Wawrinka and no.9 Grigor Dimitrov in action. Murray is the top seed and he is already through to the second round by defeating Frenchman Nicolas Mahut in the opener. The Scot is drawn to face defending champion Tomas Berdych in the semifinals. If that happens the two stars will play again like they did in the semifinal of Australian Open, where Murray